Area Code +359-37-(540000...549999) located in Lozen, Haskovo (26), more detail is as below. Place International Dialing Code : 359 International Prefix : 00 National Prefix : 0 National Destination Code : 37 Subscriber Number From : 540000 Subscriber Number To : 549999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : BTC Click here to buy Bulgaria Area Code Database Other Information Language Code : bg (Bulgarian) Country Number : 100 (Bulgaria) Country Code : BG (Bulgaria) Region Code : 26 Region Name : Haskovo City : Lozen Timezone : Europe/Sofia Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 41.8000 Longitude : 26.0300 ‹ previous : +359-37-(530000...539999) next › : +359-37-(550000...559999) Dialling Instructions For trunk calls: 0 37 540000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 359 37 540000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 540000 ~ 549999 (Count: 10,000) Example: +359-37-540000 / 00359-37-540000 (037-540000 / 0-37-540000) +359-37-540001 / 00359-37-540001 (037-540001 / 0-37-540001) +359-37-540002 / 00359-37-540002 (037-540002 / 0-37-540002) +359-37-540003 / 00359-37-540003 (037-540003 / 0-37-540003) +359-37-540004 / 00359-37-540004 (037-540004 / 0-37-540004) ...+359-37-xxxxxx / 00359-37-xxxxxx (037-xxxxxx / 0-37-xxxxxx) ...+359-37-549995 / 00359-37-549995 (037-549995 / 0-37-549995) +359-37-549996 / 00359-37-549996 (037-549996 / 0-37-549996) +359-37-549997 / 00359-37-549997 (037-549997 / 0-37-549997) +359-37-549998 / 00359-37-549998 (037-549998 / 0-37-549998) +359-37-549999 / 00359-37-549999 (037-549999 / 0-37-549999)